Missing Project/Item Templates

Question

I have Visual Studio 2010 and recently both at home and at work have had an issue with missing projects in the Installed Templates. All that projects and the folder called \

Answer 1

Make sure the .NET version at top of template list matches your solution's .NET version

Answer 2

Run devenv.exe /installvstemplates with elevated privileges

Answer 3

I've just run into this issue and resolved it by doing the following:

1. I got the following folder and its contents from a colleague's PC \Common7\IDE\ProjectTemplates\CSharp.
2. Then I copied it to the appropriate location on my PC (C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\ProjectTemplates\CSharp)
3. I ran the command given in the answers above devenv.exe /installvstemplates using the Visual Studio Command Prompt tool with Administrator priviledges.

Answer 4

I had the same problem, but with the C#code item templates, and I fixed it with the following:

Tools/Options/Environment/International Settings/Language:
                              "Same as Windows" instead of "English"

and then restart VS2010.